Comparable stake leader
Magnetar Financial LLC
SEC ownership of Collective Acquisition Corp. II
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002115404.
Disclosed value leader
ARISTEIA CAPITAL, L.L.C.
Comparable rows
31/49
Latest evidence
30 Jun 2026
- Public ticker
- CAII, CAIIU on Nasdaq
- Parsed ownership sources
-
13F and 13D/G
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Magnetar Financial LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
31 of 49
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Magnetar Financial LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002115404
- Issuer location
- Miami, FL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Collective Acquisition Corp. II (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Magnetar Financial LLC
Disclosed value leader
ARISTEIA CAPITAL, L.L.C.
Comparable rows
31/49
Latest evidence
30 Jun 2026
13F
13D/G
Lead comparable stake: 9.8%
18 rows are not safely comparable across share classes.
13D/G row: Magnetar Financial LLC
Showing 1-8 of 49 holder rows.
Quick read
Magnetar Financial LLC leads the comparable SEC ownership view at 9.8%.
31 of 49 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Magnetar Financial LLC's linked filing trail.
Comparable ownership
Top 5
Magnetar Financial LLC
9.8%
ARISTEIA CAPITAL, L.L.C.
8.6%
LMR Partners LLP
8.5%
Linden Capital L.P.
7.7%
Polar Asset Management Partners Inc.
5.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 49 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Magnetar Financial LLC |
13F
13D/G
Company
|
9.8%
from 13D/G
|
$21,850,894
3,267,000 shares
mixed-class rows
|
— | 30 Jun 2026 |
| ARISTEIA CAPITAL, L.L.C. |
13F
13D/G
Company
|
8.6%
from 13D/G
|
$21,888,900
2,178,000 shares
|
— | 30 Jun 2026 |
| LMR Partners LLP |
13F
13D/G
Company
|
8.5%
from 13D/G
|
$21,888,900
2,178,000 shares
|
— | 30 Jun 2026 |
| Linden Capital L.P. |
13D/G
Linden Advisors LP
|
7.7%
|
$16,915,000
1,700,000 shares
|
$0 | 04 May 2026 |
| Polar Asset Management Partners Inc. |
13F
13D/G
Company
|
5.2%
from 13D/G
|
$11,546,000
1,725,000 shares
mixed-class rows
|
— | 30 Jun 2026 |
| Alberta Investment Management Corp |
13F
Company
|
3.6%
|
$9,045,000
900,000 shares
|
— | 30 Jun 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
3.2%
|
$8,040,000
800,000 shares
|
— | 30 Jun 2026 |
| AQR Arbitrage LLC |
13F
Company
|
3%
|
$7,655,939
761,785 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 16 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-6 of 6 reporting-owner rows connected to Collective Acquisition Corp. II. Open a relationship link for the CIK-to-CIK filing trail.
Rows
6
Largest Forms 3/4/5 holder
Francis M. Beaudette
Net 12M change
$0
Latest report
28 Apr 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Francis M. Beaudette | Director | Mixed | 28 Apr 2026 | |||
| Matthew John Burns | Director | Mixed | 28 Apr 2026 | |||
| Daniel Jay Hoffman | Chief Executive Officer, Director | Mixed | 28 Apr 2026 | |||
| Samuel David Sayegh | Chairman, President and CFO, Director | Mixed | 28 Apr 2026 | |||
| James Yervant Shekerdemian | Director | Mixed | 28 Apr 2026 | |||
| Collective Acquisition Sponsor II LLC | 10%+ Owner | Mixed | 28 Apr 2026 |
Recent insider transactions for Collective Acquisition Corp. II
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.